1030143 has 4 divisors (see below), whose sum is σ = 1373528. Its totient is φ = 686760.

The previous prime is 1030121. The next prime is 1030153. The reversal of 1030143 is 3410301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3410301 = 3 ⋅1136767.

It is not a de Polignac number, because 1030143 - 2⁵ = 1030111 is a prime.

It is a super-2 number, since 2×1030143² = 2122389200898, which contains 22 as substring.

It is a D-number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171688 + ... + 171693.

It is an arithmetic number, because the mean of its divisors is an integer number (343382).

2^1030143 is an apocalyptic number.

1030143 is a deficient number, since it is larger than the sum of its proper divisors (343385).

1030143 is an equidigital number, since it uses as much as digits as its factorization.

1030143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343384.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1030143 is about 1014.9596051075. The cubic root of 1030143 is about 100.9948368435.

Adding to 1030143 its reverse (3410301), we get a palindrome (4440444).

The spelling of 1030143 in words is "one million, thirty thousand, one hundred forty-three".